1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index ad7a89014d29..8ebddba4448d 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -886,6 +886,13 @@ struct task_struct {
         int hardirq_context;
         int softirq_context;
 #endif
+#ifdef CONFIG_LOCKDEP
+# define MAX_LOCK_DEPTH 30UL
+        u64 curr_chain_key;
+        int lockdep_depth;
+        struct held_lock held_locks[MAX_LOCK_DEPTH];
+        unsigned int lockdep_recursion;
+#endif
 
 /* journalling filesystem info */
         void *journal_info;